\(ƯCLN\left(648,540\right)=\left\{108\right\}\)
\(ƯC\left(648,540\right)=\left\{2,3,4,6,9,12,18,27,36,54,108\right\}\)
Ta có:
\(648=2^3.3^4\)
\(540=2^2.3^3.5\)
\(ƯCLN\left(648,540\right)=2^2.3^3=108\)
\(ƯC\left(648,540\right)=\left\{2,3,4,6,9,12,18,27,36,54,108\right\}\)